Package org.knime.core.util

This package contains some small utility classes that may be useful in all kinds of nodes.

See:
Description

Interface Summary

EncryptionKeySupplier	An object that implements this interface can register at KnimeEncryption.
FileUtil.ZipFileFilter	Passed to the FileUtil.zipDir(File, Collection, int, ZipFileFilter, ExecutionMonitor) method to exclude certain files from being archived and added to the zip file. A default implementation accepting all files is FileUtil.ZIP_INCLUDEALL_FILTER

Class Summary

DuplicateChecker	This class checks for duplicates in an (almost) arbitrary number of strings.
FilelistAccessory	A file list used to display the directory content in the file chooser (when the chooser is set to DIRECTORIES_ONLY).
FileLocker	This class can be used to get a lock on the specified file.
FileReaderFileFilter	Our File Filter for the JFileChooser Dialog You can create one accepting all files ending with one extension ".ext".
FileUtil	Utility class to do some basic file handling that is not available through java API.
KnimeEncryption	This class handles the encryption and decryption with the static stored key.
KnimeFileUtil
KNIMETimer	This final singleton class is a global timer available for all classes inside KNIME.
LogfileAppender	This is a special appender for KNIME that writes into the knime.log file, which is typically located in the current workspace.
MultiThreadWorker<In,Out>	An abstract class to process elements of an Iterable simultaneously.
MutableBoolean	A Boolean object whose value can be changed after construction.
MutableDouble	This class is essentially a double whose value can be changed.
MutableInteger	This class is essentially an integer whose value can be changed.
NoSelectionListSelectionModel	A ListSelectionModel not allowing any selection.
ObjectPool<T>	Implements a simple pool for reusable objects.
Pair<T,M>	This class is a simple pair of objects.
Pointer<T>	This class is a little helper that just adds another indirection to and object.
SimpleFileFilter	Helper class filtering out all files not matching extensions.
ThreadPool	Implements a sophisticated thread pool.
UniqueNameGenerator	Helper class to create a set of unique names.
User	Utility class with user-related functions such as getting the current user's name.
VMFileLocker	Locks file exclusively for this VM - but accepts multiple locks within this VM.

Exception Summary

DuplicateKeyException	This exception is thrown by the DuplicateChecker if a duplicate key has been detected.
LockFailedException	Used to indicate that the attempt to acquire a lock on a file or directory failed.

Package org.knime.core.util Description

This package contains some small utility classes that may be useful in all kinds of nodes.